23257706457 has 8 divisors (see below), whose sum is σ = 31848390976. Its totient is φ = 15086079792.

The previous prime is 23257706441. The next prime is 23257706471. The reversal of 23257706457 is 75460775232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23257706457 - 2⁴ = 23257706441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23257701457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104764333 + ... + 104764554.

It is an arithmetic number, because the mean of its divisors is an integer number (3981048872).

Almost surely, 2^23257706457 is an apocalyptic number.

It is an amenable number.

23257706457 is a deficient number, since it is larger than the sum of its proper divisors (8590684519).

23257706457 is a wasteful number, since it uses less digits than its factorization.

23257706457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209528927.

The product of its (nonzero) digits is 2469600, while the sum is 48.

The spelling of 23257706457 in words is "twenty-three billion, two hundred fifty-seven million, seven hundred six thousand, four hundred fifty-seven".